Szeliga, Ewa, Monika Bal-Bocheńska, and Ewelina Czenczek. “Comparison of Various Rehabilitation Methods Applied in Patients With Chronic Obstructive Pulmonary Disease”. European Journal of Clinical and Experimental Medicine 9, no. 4 (December 30, 2011): 439–451. Accessed April 26, 2026. https://journals.ur.edu.pl/ejcem/article/view/12882.